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1H525 — MANIFOLD,SPEC

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1H525: MANIFOLD,SPEC.

The MANIFOLD,SPEC is a the manufacturer industrial component. Key specifications include length: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN, diameter: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, material: STEEL OVERALL, thread_length: 0.440 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN, cross-sectional_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-160-4097, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1H525
NSN: 5340-01-160-4097
NIINs: 011604097, 015977976
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
length0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
diameter0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
materialSTEEL OVERALL
thread_length0.440 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
cross-sectional_shapeROUND
NSN5340-01-160-4097
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1H525 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.440 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
DIAMETER: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: ROUND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
THREAD LENGTH0.440 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
DIAMETER0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1H525?
1H525 is a MANIFOLD,SPEC.
What is the NSN for 1H525?
1H525 is cataloged in the U.S. Government catalog under NSN 5340-01-160-4097. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.